Pith Number

pith:DWITFJMP

pith:2013:DWITFJMPLJOIODO4XMOHNUN6RA

not attested not anchored not stored refs pending

Two-dimensional gradient Ricci solitons revisited

Jacob Bernstein, Thomas Mettler

arxiv:1303.6854 v2 · 2013-03-27 · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DWITFJMPLJOIODO4XMOHNUN6RA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:20:29.112718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d9132a58f5a5c870ddcbb1c76d1be8813ca1dab508206a4f32bdb7295cab710

Aliases

arxiv: 1303.6854 · arxiv_version: 1303.6854v2 · doi: 10.48550/arxiv.1303.6854 · pith_short_12: DWITFJMPLJOI · pith_short_16: DWITFJMPLJOIODO4 · pith_short_8: DWITFJMP

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/DWITFJMPLJOIODO4XMOHNUN6RA \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 1d9132a58f5a5c870ddcbb1c76d1be8813ca1dab508206a4f32bdb7295cab710

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "002e549742af02e1d49b7754e323046c6bfc67a1f141240123c7bd735da62cc0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-03-27T15:15:34Z",
    "title_canon_sha256": "31e58cb223669d8fd975a8d929eaeb00ee9be0fd92fd220969c6a14890321110"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6854",
    "kind": "arxiv",
    "version": 2
  }
}